Home / 158,881,281,650.34-219,256,105,721.09-86,623,405,533.87

Finding the Fourth Proportional to 158,881,281,650.34, 219,256,105,721.09 and 86,623,405,533.87

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Solution

The fourth proportional to 158,881,281,650.34, 219,256,105,721.09 and 86,623,405,533.87 is: 119,540,265,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,881,281,650.34 : 219,256,105,721.09 = 86,623,405,533.87 : x
  2. Step 2: Convert to fraction form
    158,881,281,650.34/219,256,105,721.09 = 86,623,405,533.87/x
  3. Step 3: Cross multiply
    158,881,281,650.34x = 219,256,105,721.09 × 86,623,405,533.87
  4. Step 4: Simplify right side
    158,881,281,650.34x = 18,992,710,561,655,053,877,248
  5. Step 5: Solve for x
    x = 18,992,710,561,655,053,877,248/158,881,281,650.34
  6. Step 6: Final answer
    x = 119,540,265,312.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.